(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?BeginnerExercise105]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise105

]
PL[W]

AB[pc][ei][qi][cj][ej][ck][bl][cm][cn][en][co][do][ep][fp][pp][eq]
AW[ec][cd][eg][ch][fj][dk][cl][el][gl][dm][dn][fn][eo][fo][dp][cq]

;W[dj]C[W1]MN[1]
;B[di]C[B2]MN[2]
;W[ci]C[W3]MN[3]

;
)
